Pith Number

pith:G4YLS3C3

pith:2025:G4YLS3C37AX7NM6VVJZAWVAW5U

not attested not anchored not stored refs pending

Evolution of SMBHs in light of PTA measurements: implications for growth by mergers and accretion

Eliot Quataert, Gabriela Sato-Polito, Matias Zaldarriaga

arxiv:2501.09786 v1 · 2025-01-16 · astro-ph.CO · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G4YLS3C37AX7NM6VVJZAWVAW5U}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Cited by

1 paper in Pith

A practical theorem on gravitational-wave background statistics

Receipt and verification

First computed	2026-07-05T10:02:11.096730Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3730b96c5bf82ff6b3d5aa720b5416ed246faf85b12d035e1b5866f8fe78d26a

Aliases

arxiv: 2501.09786 · arxiv_version: 2501.09786v1 · doi: 10.48550/arxiv.2501.09786 · pith_short_12: G4YLS3C37AX7 · pith_short_16: G4YLS3C37AX7NM6V · pith_short_8: G4YLS3C3

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/G4YLS3C37AX7NM6VVJZAWVAW5U \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 3730b96c5bf82ff6b3d5aa720b5416ed246faf85b12d035e1b5866f8fe78d26a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15f050086126deb9db7b09133c0187612c65d77e32e8d994999154391cf9819f",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2025-01-16T19:00:00Z",
    "title_canon_sha256": "8ff7ddb5c7d208cf5f304e5ad88ef56d5d31735643abc2c5cdb95f1348fcdfb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.09786",
    "kind": "arxiv",
    "version": 1
  }
}